GitLab

The new feature flag passes --stress-per-context-marking-worklist flag
to V8, which instructs the GC to use per-context marking worklist.

Bug: 1038180
Change-Id: Ia7255e0ca70129cbaec7b568667a319cec8a743f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2089865Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#747656}